c. 552; survives in Syriac
Greek, surviving in Syriac
The Arbiter
Diaitetes
John Philoponus · c. 490 – c. 570
An attempt to settle Chalcedon by defining the terms philosophically: nature means a particular thing, not a general kind, so two natures would mean two individuals. Pressed to its conclusion by his opponents, the same logic made the Trinity three particulars.